Release Amalgamate version 0.1.30.
Release Amalgamate version 0.1.30.

 * Upgrade `splice` to `3.0.0-alpha.25`. Closes #166.
 * Upgrade `homogenize` to `2.0.0-alpha.8`. Closes #165.
 * Upgrade `riffle` to `2.0.0-alpha.38`. Closes #164.
 * Upgrade `skip` to `0.1.1`. Closes #163.
 * Upgrade `b-tree` to `2.0.0-alpha.57`. Closes #162.

Closes #167.

bigeasy/amalgamate,bigeasy/amalgamate